﻿using System.Runtime.InteropServices;

namespace StartupToolsetInterfaces
{
  [Guid("D7524CAB-5029-402d-9591-FA0D59BBA0F0")]
  [ComVisible(true)]
  public interface ICalculationService
  {
    bool Calculate(string firstArgText, string secondArgText, 
      string operatorText, out string resultText);
  }

  [Guid("AF7F72EF-2B54-4798-B76A-21DC02CC04B7")]
  public interface SCalculationService
  {
  }
}
